<style>
  h1 {
    display: none;
  }

  .admonition.welcome {
      background: transparent;
      border-left: 2px solid var(--navbar-scrollbar-active-color);
      padding: 0 0 0 1rem;

      .admonition-title {
        color: var(--body-color);
        background: transparent !important;
        padding: 0;
        margin: 0 0 0.25rem 0;
        font-weight: 700;
        font-size: 18px;
        opacity: 1;

        &::before {
          display: none;
        }
      }

      p {
        color: var(--body-color);
        font-size: 0.9rem;
        opacity: 0.6;
        line-height: 1.2em;
      }
  }

  .landing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 0.5rem;
  }
  .landing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2.5rem;
    @media (min-width: 768px) {
      grid-template-columns: repeat(2, 1fr);
    }
    &.three-col {
      @media (min-width: 1024px) {
        grid-template-columns: repeat(3, 1fr);
      }
    }
  }

  /* === SHARED CARD STYLES === */
  .card-title {
    font-size: 1.125rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 0.25rem !important;
  }
  .card-description {
    color: var(--navbar-level-1-color);
    font-weight: 300;
    font-size: 0.9rem !important;
    margin: 0 !important;
    opacity: 0.85;
  }
  .icon-wrapper i {
    color: inherit;
  }

  /* === LANDING CARDS === */
  .landing-card {
    background-color: var(--navbar-background-color);
    border-radius: 0.75rem;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: all 0.15s ease 0.15s ease;
    &:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
      text-decoration: none;
      .landing-watermark {
        transform: translateY(-50%) rotate(-8deg) scale(1.1);
        opacity: 0.25;
      }
    }
    .card-content {
      flex: 1;
      position: relative;
      z-index: 2;
    }
    .card-description {
      padding-right: 5rem;
    }
  }
  .landing-watermark {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    transform-origin: center center;
    opacity: 0.12;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    color: var(--navbar-scrollbar-color);
    i {
      font-size: 5rem !important;
      line-height: 1;
    }
  }

  /* === PERSONA CARDS === */
  .persona-card {
    background-color: var(--navbar-background-color);
    border-radius: 0.75rem;
    padding: 1.5rem 2rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all 0.2s ease;
    &:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
      border-color: rgba(255, 255, 255, 0.05);
      .watermark {
        transform: rotate(-10deg) scale(1.1);
        opacity: 0.15;
      }
    }
    .card-content {
      position: relative;
      z-index: 2;
      flex: 1;
    }
    @media (max-width: 768px) {
      .watermark {
        bottom:1rem;
        right: 1rem;

        i {
          font-size: 7rem !important;
        }
      }
    }
  }
  .persona-header {
    margin-bottom: 1.5rem;
    h3 {
      min-height: 3rem;
      font-size: 1.25rem;
      margin-top: 0;
      margin-bottom: 0.5rem;
    }
    @media (max-width: 768px) {
      z-index: 10;
    }
  }

  /* Watermark */
  .watermark {
    position: absolute;
    bottom: -1rem;
    right: -1.5rem;
    z-index: 0;
    opacity: 0.05;
    transform: rotate(0deg);
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    i {
      font-size: 9rem !important;
      line-height: 1;
    }
    @media (max-width: 768px) {
      bottom: -0.5rem;
      right: -0.5rem;
      opacity: 0.15;
      i {
        font-size: 6rem !important;
      }
    }
  }

  /* Persona Type Colors */
  .type-app {
    .watermark i {
      color: #0ea5e9;
    }
    .persona-link {
      i {
        color: #0ea5e9;
      }
      &:hover {
        color: #38bdf8 !important;
      }
    }
  }
  .type-hw {
    .watermark i {
      color: #8b5cf6;
    }
    .persona-link {
      i {
        color: #8b5cf6;
      }
      &:hover {
        color: #a78bfa !important;
      }
    }
  }
  .type-maker {
    .watermark i {
      color: #10b981;
    }
    .persona-link {
      i {
        color: #10b981;
      }
      &:hover {
        color: #34d399 !important;
      }
    }
  }

  /* Persona Links */
  .persona-list {
    margin: 0 !important;
    list-style: none;
    padding: 0;
    position: relative;
    z-index: 2;
    li {
      list-style: none !important;
      margin-left: 0 !important;
      * {
        margin-bottom: 0.1rem !important;
      }
    }
  }
  .persona-link {
    display: flex;
    align-items: center;
    color: var(--navbar-level-1-color) !important;
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.2s;
    i {
      font-size: 0.75rem;
      margin-right: 0.6rem;
    }
    &:hover {
      text-decoration: none;
    }
  }

  /* === CONTRIBUTE CARD === */
  .contribute-card {
    background-color: var(--navbar-background-color);
    border-radius: 0.5rem;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.1s ease;
    &:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
      border-color: rgba(236, 72, 153, 0.5);
      text-decoration: none;
      .cta-text {
        color: #fff;
      }
    }
    @media (max-width: 768px) {
      flex-direction: column;
      text-align: center;
      gap: 1rem;
    }
  }
  .accent-contribute {
    background-color: rgba(219, 39, 119, 0.15);
    color: #f472b6;
    width: 5rem;
    height: 5rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .cta-text {
    color: var(--navbar-level-1-color);
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
    padding-left: 1rem;
    white-space: nowrap;
    @media (max-width: 768px) {
      margin-left: 0;
      padding-left: 0;
    }
  }

  /* === REFERENCE CARDS === */
  .reference-card {
    background-color: var(--navbar-background-color);
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    transition: transform 0.1s ease;
    &:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 8px rgba(0, 0, 0, 0.2);
      text-decoration: none;
      .reference-arrow {
        opacity: 1;
        transform: translateX(4px);
      }
    }
    .icon-wrapper {
      width: 2.5rem;
      height: 2.5rem;
      flex-shrink: 0;
      border-radius: 0.4rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .card-title {
      font-size: 1rem;
      margin: 0;
    }
    .card-description {
      font-weight: 100;
    }
  }
  .reference-content {
    flex: 1;
  }
  .reference-arrow {
    flex-shrink: 0;
    opacity: 0.5;
    transition: all 0.2s ease;
  }

  /* === SECTION HEADERS === */
  .section-header {
    text-align: center;
    margin-bottom: 2rem;
  }
  .section-title {
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: 0.5rem !important;
  }
  .section-subtitle {
    opacity: 0.6;
    margin-top: 0.5rem;
    font-size: 0.95rem;
  }

  /* === COLOR ACCENTS === */
  .ref-api {
    background-color: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
  }
  .ref-kconfig {
    background-color: rgba(34, 197, 94, 0.2);
    color: #4ade80;
  }
  .ref-dts {
    background-color: rgba(168, 85, 247, 0.2);
    color: #c084fc;
  }
  .ref-west {
    background-color: rgba(239, 68, 68, 0.2);
    color: #f87171;
  }
  .ref-glossary {
    background-color: rgba(249, 115, 22, 0.2);
    color: #fb923c;
  }
</style>

<main class="landing-container">
  <section>
    <div class="landing-grid">
      <a href="introduction/index.html" class="landing-card">
        <div class="landing-watermark">
          <i class="fa fa-info-circle" aria-hidden="true"></i>
        </div>
        <div class="card-content">
          <h3 class="card-title">What is Zephyr?</h3>
          <p class="card-description">Discover the core concepts, features, and architecture.</p>
        </div>
      </a>

      <a href="develop/getting_started/index.html" class="landing-card">
        <div class="landing-watermark">
          <i class="fa fa-lightbulb-o" aria-hidden="true" style="font-size: 5.5rem !important;"></i>
        </div>
        <div class="card-content">
          <h3 class="card-title">Getting Started</h3>
          <p class="card-description">
            A step-by-step guide to set up your environment & blink your first LED.
          </p>
        </div>
      </a>

      <a href="boards/index.html" class="landing-card">
        <div class="landing-watermark">
          <i class="fa fa-microchip" aria-hidden="true"></i>
        </div>
        <div class="card-content">
          <h3 class="card-title">Supported Boards</h3>
          <p class="card-description">Browse 1,000+ supported boards and shields.</p>
        </div>
      </a>

      <a href="samples/index.html" class="landing-card">
        <div class="landing-watermark">
          <i class="fa fa-cogs" aria-hidden="true"></i>
        </div>
        <div class="card-content">
          <h3 class="card-title">Code Samples</h3>
          <p class="card-description">Explore hundreds of ready-to-run examples.</p>
        </div>
      </a>
    </div>
  </section>

  <section style="margin-top: 3rem">
    <div class="section-header">
      <h2 class="section-title">Choose Your Starting Point</h2>
      <p class="section-subtitle">
        Find documentation tailored to what you're trying to accomplish.
      </p>
    </div>

    <div class="landing-grid three-col">
      <div class="persona-card type-app">
        <div class="watermark">
          <i class="fa fa-laptop" aria-hidden="true"></i>
        </div>
        <div class="card-content">
          <div class="persona-header">
            <h3 class="card-title">Building an Application</h3>
            <p class="card-description">Use Zephyr APIs and services in your firmware.</p>
          </div>
          <ul class="persona-list">
            <li>
              <a href="kernel/services/" class="persona-link"><i class="fa fa-chevron-right"
                  aria-hidden="true"></i><span>RTOS Kernel</span></a>
            </li>
            <li>
              <a href="services/" class="persona-link"><i class="fa fa-chevron-right"
                  aria-hidden="true"></i><span>Services</span></a>
            </li>
            <li>
              <a href="develop/application/" class="persona-link"><i class="fa fa-chevron-right"
                  aria-hidden="true"></i><span>Application development</span></a>
            </li>
            <li>
              <a href="samples/" class="persona-link"><i class="fa fa-chevron-right"
                  aria-hidden="true"></i><span>Code samples</span></a>
            </li>
          </ul>
        </div>
      </div>

      <div class="persona-card type-hw">
        <div class="watermark">
          <i class="fa fa-microchip" aria-hidden="true"></i>
        </div>
        <div class="card-content">
          <div class="persona-header">
            <h3 class="card-title">Bringing Up New Hardware</h3>
            <p class="card-description">Port and run Zephyr on hardware.</p>
          </div>
          <ul class="persona-list">
            <li>
              <a href="kernel/drivers/index.html" class="persona-link"><i class="fa fa-chevron-right"
                aria-hidden="true"></i><span>Device Driver Model</span></a>
            </li>
            <li>
                <a href="build/dts/index.html" class="persona-link"><i class="fa fa-chevron-right"
                  aria-hidden="true"></i><span>Devicetree</span></a>
            </li>
            <li>
              <a href="hardware/porting/board_porting.html" class="persona-link"><i
                 class="fa fa-chevron-right" aria-hidden="true"></i>
                <span>Board Porting Guide</span>
              </a>
            </li>
            <li>
              <a href="hardware/porting/soc_porting.html" class="persona-link"><i class="fa fa-chevron-right"
                 aria-hidden="true"></i>
                <span>SoC Porting Guide</span>
              </a>
            </li>
          </ul>
        </div>
      </div>

      <div class="persona-card type-maker">
        <div class="watermark">
          <i class="fa fa-cube" aria-hidden="true"></i>
        </div>
        <div class="card-content">
          <div class="persona-header">
            <h3 class="card-title">Going to Production</h3>
            <p class="card-description">Considerations for using Zephyr in your product.</p>
          </div>
          <ul class="persona-list">
            <li>
              <a href="security/" class="persona-link">
                <i class="fa fa-chevron-right" aria-hidden="true"></i><span>Security</span></a>
            </li>
            <li>
              <a href="safety/" class="persona-link">
                <i class="fa fa-chevron-right" aria-hidden="true"></i><span>Safety</span></a>
            </li>
            <li>
              <a href="project/release_process.html#long-term-support-lts" class="persona-link">
                <i class="fa fa-chevron-right aria-hidden=" true""></i>
                <span>Long-term Support</span>
              </a>
            </li>
            <li>
              <a href="https://www.zephyrproject.org/products-running-zephyr/" class="persona-link"
                 target="_blank">
                <i class="fa fa-chevron-right" aria-hidden="true"></i>
                <span>Product Showcase</span>
              </a>
            </li>
          </ul>
        </div>
      </div>
    </div>
  </section>

  <section style="margin-top: 1rem; margin-bottom: 3rem">
    <a href="contribute/index.html" class="contribute-card">
      <div class="accent-contribute">
        <i class="fa fa-github" style="font-size: 3rem" aria-hidden="true"></i>
      </div>
      <div class="card-content">
        <h2 class="card-title" style="font-size: 1.5rem; margin-bottom: 0.5rem">
          Contribute to Zephyr
        </h2>
        <p class="card-description" style="font-size: 1rem; margin: 0">
          The Zephyr Project is open source and community-driven.<br>
          Learn how to report bugs, request new features, and submit pull requests.
        </p>
      </div>
      <div class="cta-text">
        <span>Read the Guidelines</span>
        <i class="fa fa-arrow-right"></i>
      </div>
    </a>
  </section>

  <section>
    <div class="section-header">
      <h2 class="section-title">Core References</h2>
      <p class="section-subtitle">Essential resources for in-depth information</p>
    </div>

    <div class="landing-grid three-col">
      <a href="doxygen/html/" class="reference-card">
        <div class="icon-wrapper ref-api">
          <i class="fa fa-book" aria-hidden="true" style="font-size: 1.25rem"></i>
        </div>
        <div class="reference-content">
          <h3 class="card-title">API Reference</h3>
          <p class="card-description">Complete C API docs</p>
        </div>
        <i class="fa fa-arrow-right reference-arrow" style="color: #60a5fa"></i>
      </a>

      <a href="kconfig.html" class="reference-card">
        <div class="icon-wrapper ref-kconfig">
          <i class="fa fa-sliders" aria-hidden="true" style="font-size: 1.25rem"></i>
        </div>
        <div class="reference-content">
          <h3 class="card-title">Kconfig</h3>
          <p class="card-description">Configuration system</p>
        </div>
        <i class="fa fa-arrow-right reference-arrow" style="color: #4ade80"></i>
      </a>

      <a href="build/dts/api/bindings.html" class="reference-card">
        <div class="icon-wrapper ref-dts">
          <i class="fa fa-sitemap" aria-hidden="true" style="font-size: 1.25rem"></i>
        </div>
        <div class="reference-content">
          <h3 class="card-title">Devicetree</h3>
          <p class="card-description">Hardware bindings</p>
        </div>
        <i class="fa fa-arrow-right reference-arrow" style="color: #c084fc"></i>
      </a>

      <a href="develop/manifest/" class="reference-card">
        <div class="icon-wrapper ref-west">
          <i class="fa fa-code-fork" aria-hidden="true" style="font-size: 1.25rem"></i>
        </div>
        <div class="reference-content">
          <h3 class="card-title">West Projects</h3>
          <p class="card-description">Available projects</p>
        </div>
        <i class="fa fa-arrow-right reference-arrow" style="color: #f87171"></i>
      </a>

      <a href="glossary.html" class="reference-card">
        <div class="icon-wrapper ref-glossary">
          <i class="fa fa-font" aria-hidden="true" style="font-size: 1.25rem"></i>
        </div>
        <div class="reference-content">
          <h3 class="card-title">Glossary</h3>
          <p class="card-description">Key term definitions</p>
        </div>
        <i class="fa fa-arrow-right reference-arrow" style="color: #fb923c"></i>
      </a>
    </div>
  </section>
</main>
